1018 lines
34 KiB
JavaScript
Executable file
1018 lines
34 KiB
JavaScript
Executable file
// gridstack.js 0.2.4-dev
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// http://troolee.github.io/gridstack.js/
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// (c) 2014-2016 Pavel Reznikov
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// gridstack.js may be freely distributed under the MIT license.
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(function(factory) {
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if (typeof define === 'function' && define.amd) {
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define(['jquery', 'lodash', 'jquery-ui/core', 'jquery-ui/widget', 'jquery-ui/mouse', 'jquery-ui/draggable',
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'jquery-ui/resizable'], factory);
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}
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else if (typeof exports !== 'undefined') {
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try { jQuery = require('jquery'); } catch(e) {}
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try { _ = require('lodash'); } catch(e) {}
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factory(jQuery, _);
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}
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else {
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factory(jQuery, _);
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}
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})(function($, _) {
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var scope = window;
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var Utils = {
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is_intercepted: function(a, b) {
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return !(a.x + a.width <= b.x || b.x + b.width <= a.x || a.y + a.height <= b.y || b.y + b.height <= a.y);
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},
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sort: function(nodes, dir, width) {
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width = width || _.chain(nodes).map(function(node) { return node.x + node.width; }).max().value();
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dir = dir != -1 ? 1 : -1;
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return _.sortBy(nodes, function(n) { return dir * (n.x + n.y * width); });
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},
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create_stylesheet: function(id) {
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var style = document.createElement('style');
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style.setAttribute('type', 'text/css');
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style.setAttribute('data-gs-id', id);
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if (style.styleSheet) {
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style.styleSheet.cssText = '';
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}
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else {
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style.appendChild(document.createTextNode(''));
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}
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document.getElementsByTagName('head')[0].appendChild(style);
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return style.sheet;
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},
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remove_stylesheet: function(id) {
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$("STYLE[data-gs-id=" + id +"]").remove();
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},
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insert_css_rule: function(sheet, selector, rules, index) {
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if (typeof sheet.insertRule === 'function') {
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sheet.insertRule(selector + '{' + rules + '}', index);
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}
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else if (typeof sheet.addRule === 'function') {
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sheet.addRule(selector, rules, index);
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}
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},
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toBool: function(v) {
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if (typeof v == 'boolean')
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return v;
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if (typeof v == 'string') {
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v = v.toLowerCase();
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return !(v == '' || v == 'no' || v == 'false' || v == '0');
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}
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return Boolean(v);
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}
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};
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var id_seq = 0;
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var GridStackEngine = function(width, onchange, float_mode, height, items) {
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this.width = width;
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this['float'] = float_mode || false;
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this.height = height || 0;
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this.nodes = items || [];
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this.onchange = onchange || function() {};
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this._update_counter = 0;
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this._float = this['float'];
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};
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GridStackEngine.prototype.batch_update = function() {
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this._update_counter = 1;
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this.float = true;
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};
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GridStackEngine.prototype.commit = function() {
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this._update_counter = 0;
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if (this._update_counter == 0) {
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this.float = this._float;
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this._pack_nodes();
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this._notify();
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}
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};
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GridStackEngine.prototype._fix_collisions = function(node) {
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this._sort_nodes(-1);
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var nn = node, has_locked = Boolean(_.find(this.nodes, function(n) { return n.locked }));
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if (!this.float && !has_locked) {
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nn = {x: 0, y: node.y, width: this.width, height: node.height};
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}
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while (true) {
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var collision_node = _.find(this.nodes, _.bind(function(n) {
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return n != node && Utils.is_intercepted(n, nn);
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}, this));
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if (typeof collision_node == 'undefined') {
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return;
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}
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this.move_node(collision_node, collision_node.x, node.y + node.height,
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collision_node.width, collision_node.height, true);
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}
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};
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GridStackEngine.prototype.is_area_empty = function(x, y, width, height) {
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var nn = {x: x || 0, y: y || 0, width: width || 1, height: height || 1};
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var collision_node = _.find(this.nodes, _.bind(function(n) {
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return Utils.is_intercepted(n, nn);
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}, this));
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return collision_node == null;
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};
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GridStackEngine.prototype._sort_nodes = function(dir) {
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this.nodes = Utils.sort(this.nodes, dir, this.width);
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};
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GridStackEngine.prototype._pack_nodes = function() {
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this._sort_nodes();
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if (this.float) {
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_.each(this.nodes, _.bind(function(n, i) {
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if (n._updating || typeof n._orig_y == 'undefined' || n.y == n._orig_y)
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return;
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var new_y = n.y;
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while (new_y >= n._orig_y) {
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var collision_node = _.chain(this.nodes)
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.find(function(bn) {
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return n != bn &&
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Utils.is_intercepted({x: n.x, y: new_y, width: n.width, height: n.height}, bn);
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})
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.value();
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if (!collision_node) {
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n._dirty = true;
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n.y = new_y;
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}
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--new_y;
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}
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}, this));
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}
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else {
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_.each(this.nodes, _.bind(function(n, i) {
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if (n.locked)
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return;
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while (n.y > 0) {
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var new_y = n.y - 1;
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var can_be_moved = i == 0;
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if (i > 0) {
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var collision_node = _.chain(this.nodes)
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.take(i)
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.find(function(bn) {
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return Utils.is_intercepted({x: n.x, y: new_y, width: n.width, height: n.height}, bn);
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})
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.value();
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can_be_moved = typeof collision_node == 'undefined';
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}
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if (!can_be_moved) {
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break;
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}
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n._dirty = n.y != new_y;
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n.y = new_y;
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}
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}, this));
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}
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};
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GridStackEngine.prototype._prepare_node = function(node, resizing) {
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node = _.defaults(node || {}, {width: 1, height: 1, x: 0, y: 0 });
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node.x = parseInt('' + node.x);
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node.y = parseInt('' + node.y);
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node.width = parseInt('' + node.width);
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node.height = parseInt('' + node.height);
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node.auto_position = node.auto_position || false;
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node.no_resize = node.no_resize || false;
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node.no_move = node.no_move || false;
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if (node.width > this.width) {
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node.width = this.width;
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}
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else if (node.width < 1) {
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node.width = 1;
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}
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if (node.height < 1) {
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node.height = 1;
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}
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if (node.x < 0) {
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node.x = 0;
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}
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if (node.x + node.width > this.width) {
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if (resizing) {
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node.width = this.width - node.x;
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}
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else {
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node.x = this.width - node.width;
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}
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}
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if (node.y < 0) {
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node.y = 0;
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}
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return node;
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};
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GridStackEngine.prototype._notify = function() {
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if (this._update_counter) {
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return;
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}
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var deleted_nodes = Array.prototype.slice.call(arguments, 1).concat(this.get_dirty_nodes());
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deleted_nodes = deleted_nodes.concat(this.get_dirty_nodes());
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this.onchange(deleted_nodes);
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};
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GridStackEngine.prototype.clean_nodes = function() {
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_.each(this.nodes, function(n) {n._dirty = false });
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};
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GridStackEngine.prototype.get_dirty_nodes = function() {
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return _.filter(this.nodes, function(n) { return n._dirty; });
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};
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GridStackEngine.prototype.add_node = function(node) {
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node = this._prepare_node(node);
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if (typeof node.max_width != 'undefined') node.width = Math.min(node.width, node.max_width);
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if (typeof node.max_height != 'undefined') node.height = Math.min(node.height, node.max_height);
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if (typeof node.min_width != 'undefined') node.width = Math.max(node.width, node.min_width);
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if (typeof node.min_height != 'undefined') node.height = Math.max(node.height, node.min_height);
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node._id = ++id_seq;
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node._dirty = true;
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if (node.auto_position) {
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this._sort_nodes();
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for (var i = 0;; ++i) {
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var x = i % this.width, y = Math.floor(i / this.width);
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if (x + node.width > this.width) {
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continue;
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}
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if (!_.find(this.nodes, function(n) {
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return Utils.is_intercepted({x: x, y: y, width: node.width, height: node.height}, n);
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})) {
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node.x = x;
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node.y = y;
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break;
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}
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}
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}
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this.nodes.push(node);
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this._fix_collisions(node);
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this._pack_nodes();
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this._notify();
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return node;
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};
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GridStackEngine.prototype.remove_node = function(node) {
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node._id = null;
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this.nodes = _.without(this.nodes, node);
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this._pack_nodes();
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this._notify(node);
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};
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GridStackEngine.prototype.can_move_node = function(node, x, y, width, height) {
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var has_locked = Boolean(_.find(this.nodes, function(n) { return n.locked }));
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if (!this.height && !has_locked)
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return true;
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var cloned_node;
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var clone = new GridStackEngine(
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this.width,
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null,
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this.float,
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0,
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_.map(this.nodes, function(n) {
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if (n == node) {
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cloned_node = $.extend({}, n);
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return cloned_node;
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}
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return $.extend({}, n);
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}));
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clone.move_node(cloned_node, x, y, width, height);
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var res = true;
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if (has_locked)
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res &= !Boolean(_.find(clone.nodes, function(n) {
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return n != cloned_node && Boolean(n.locked) && Boolean(n._dirty);
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}));
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if (this.height)
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res &= clone.get_grid_height() <= this.height;
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return res;
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};
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GridStackEngine.prototype.can_be_placed_with_respect_to_height = function(node) {
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if (!this.height)
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return true;
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var clone = new GridStackEngine(
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this.width,
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null,
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this.float,
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0,
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_.map(this.nodes, function(n) { return $.extend({}, n) }));
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clone.add_node(node);
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return clone.get_grid_height() <= this.height;
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};
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GridStackEngine.prototype.move_node = function(node, x, y, width, height, no_pack) {
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if (typeof x != 'number') x = node.x;
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if (typeof y != 'number') y = node.y;
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if (typeof width != 'number') width = node.width;
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if (typeof height != 'number') height = node.height;
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if (typeof node.max_width != 'undefined') width = Math.min(width, node.max_width);
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if (typeof node.max_height != 'undefined') height = Math.min(height, node.max_height);
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if (typeof node.min_width != 'undefined') width = Math.max(width, node.min_width);
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if (typeof node.min_height != 'undefined') height = Math.max(height, node.min_height);
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if (node.x == x && node.y == y && node.width == width && node.height == height) {
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return node;
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}
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var resizing = node.width != width;
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node._dirty = true;
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node.x = x;
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node.y = y;
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node.width = width;
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node.height = height;
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node = this._prepare_node(node, resizing);
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this._fix_collisions(node);
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if (!no_pack) {
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this._pack_nodes();
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this._notify();
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}
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return node;
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};
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GridStackEngine.prototype.get_grid_height = function() {
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return _.reduce(this.nodes, function(memo, n) { return Math.max(memo, n.y + n.height); }, 0);
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};
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GridStackEngine.prototype.begin_update = function(node) {
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_.each(this.nodes, function(n) {
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n._orig_y = n.y;
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});
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node._updating = true;
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};
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GridStackEngine.prototype.end_update = function() {
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_.each(this.nodes, function(n) {
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n._orig_y = n.y;
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});
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var n = _.find(this.nodes, function(n) { return n._updating; });
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if (n) {
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n._updating = false;
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}
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};
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var GridStack = function(el, opts) {
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var self = this, one_column_mode;
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opts = opts || {};
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this.container = $(el);
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opts.item_class = opts.item_class || 'grid-stack-item';
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var is_nested = this.container.closest('.' + opts.item_class).size() > 0;
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this.opts = _.defaults(opts || {}, {
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width: parseInt(this.container.attr('data-gs-width')) || 12,
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height: parseInt(this.container.attr('data-gs-height')) || 0,
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item_class: 'grid-stack-item',
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placeholder_class: 'grid-stack-placeholder',
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placeholder_text: '',
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handle: '.grid-stack-item-content',
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handle_class: null,
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cell_height: 60,
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vertical_margin: 20,
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auto: true,
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min_width: 768,
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float: false,
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static_grid: false,
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_class: 'grid-stack-instance-' + (Math.random() * 10000).toFixed(0),
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animate: Boolean(this.container.attr('data-gs-animate')) || false,
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always_show_resize_handle: opts.always_show_resize_handle || false,
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resizable: _.defaults(opts.resizable || {}, {
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autoHide: !(opts.always_show_resize_handle || false),
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handles: 'se'
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}),
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draggable: _.defaults(opts.draggable || {}, {
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handle: (opts.handle_class ? '.' + opts.handle_class : (opts.handle ? opts.handle : '')) || '.grid-stack-item-content',
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scroll: false,
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appendTo: 'body'
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})
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});
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this.opts.is_nested = is_nested;
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this.container.addClass(this.opts._class);
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this._set_static_class();
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if (is_nested) {
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this.container.addClass('grid-stack-nested');
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}
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this._init_styles();
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this.grid = new GridStackEngine(this.opts.width, function(nodes) {
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var max_height = 0;
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_.each(nodes, function(n) {
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if (n._id == null) {
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n.el.remove();
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}
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else {
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n.el
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.attr('data-gs-x', n.x)
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.attr('data-gs-y', n.y)
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.attr('data-gs-width', n.width)
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.attr('data-gs-height', n.height);
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max_height = Math.max(max_height, n.y + n.height);
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}
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});
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self._update_styles(max_height + 10);
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}, this.opts.float, this.opts.height);
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if (this.opts.auto) {
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var elements = [];
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var _this = this;
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this.container.children('.' + this.opts.item_class + ':not(.' + this.opts.placeholder_class + ')').each(function(index, el) {
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el = $(el);
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elements.push({
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el: el,
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i: parseInt(el.attr('data-gs-x')) + parseInt(el.attr('data-gs-y')) * _this.opts.width
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});
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});
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_.chain(elements).sortBy(function(x) { return x.i; }).each(function(i) {
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self._prepare_element(i.el);
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}).value();
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}
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this.set_animation(this.opts.animate);
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this.placeholder = $(
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'<div class="' + this.opts.placeholder_class + ' ' + this.opts.item_class + '">' +
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'<div class="placeholder-content">' + this.opts.placeholder_text + '</div></div>').hide();
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this.container.height(
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this.grid.get_grid_height() * (this.opts.cell_height + this.opts.vertical_margin) -
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this.opts.vertical_margin);
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this.on_resize_handler = function() {
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if (self._is_one_column_mode()) {
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if (one_column_mode)
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return;
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one_column_mode = true;
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self.grid._sort_nodes();
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_.each(self.grid.nodes, function(node) {
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self.container.append(node.el);
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if (self.opts.static_grid) {
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return;
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}
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if (!node.no_move) {
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node.el.draggable('disable');
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}
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if (!node.no_resize) {
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node.el.resizable('disable');
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}
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});
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}
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else {
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if (!one_column_mode)
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return;
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one_column_mode = false;
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if (self.opts.static_grid) {
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return;
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}
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_.each(self.grid.nodes, function(node) {
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if (!node.no_move) {
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node.el.draggable('enable');
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}
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if (!node.no_resize) {
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node.el.resizable('enable');
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}
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});
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}
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};
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|
|
$(window).resize(this.on_resize_handler);
|
|
this.on_resize_handler();
|
|
};
|
|
|
|
GridStack.prototype._trigger_change_event = function(forceTrigger) {
|
|
var elements = this.grid.get_dirty_nodes();
|
|
var hasChanges = false;
|
|
|
|
var eventParams = [];
|
|
if (elements && elements.length) {
|
|
eventParams.push(elements);
|
|
hasChanges = true;
|
|
}
|
|
|
|
if (hasChanges || forceTrigger === true) {
|
|
this.container.trigger('change', eventParams);
|
|
}
|
|
};
|
|
|
|
GridStack.prototype._init_styles = function() {
|
|
if (this._styles_id) {
|
|
$('[data-gs-id="' + this._styles_id + '"]').remove();
|
|
}
|
|
this._styles_id = 'gridstack-style-' + (Math.random() * 100000).toFixed();
|
|
this._styles = Utils.create_stylesheet(this._styles_id);
|
|
if (this._styles != null)
|
|
this._styles._max = 0;
|
|
};
|
|
|
|
GridStack.prototype._update_styles = function(max_height) {
|
|
if (this._styles == null) {
|
|
return;
|
|
}
|
|
|
|
var prefix = '.' + this.opts._class + ' .' + this.opts.item_class;
|
|
|
|
if (typeof max_height == 'undefined') {
|
|
max_height = this._styles._max;
|
|
this._init_styles();
|
|
this._update_container_height();
|
|
}
|
|
|
|
if (this._styles._max == 0) {
|
|
Utils.insert_css_rule(this._styles, prefix, 'min-height: ' + (this.opts.cell_height) + 'px;', 0);
|
|
}
|
|
|
|
if (max_height > this._styles._max) {
|
|
for (var i = this._styles._max; i < max_height; ++i) {
|
|
Utils.insert_css_rule(this._styles,
|
|
prefix + '[data-gs-height="' + (i + 1) + '"]',
|
|
'height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
|
|
i
|
|
);
|
|
Utils.insert_css_rule(this._styles,
|
|
prefix + '[data-gs-min-height="' + (i + 1) + '"]',
|
|
'min-height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
|
|
i
|
|
);
|
|
Utils.insert_css_rule(this._styles,
|
|
prefix + '[data-gs-max-height="' + (i + 1) + '"]',
|
|
'max-height: ' + (this.opts.cell_height * (i + 1) + this.opts.vertical_margin * i) + 'px;',
|
|
i
|
|
);
|
|
Utils.insert_css_rule(this._styles,
|
|
prefix + '[data-gs-y="' + i + '"]',
|
|
'top: ' + (this.opts.cell_height * i + this.opts.vertical_margin * i) + 'px;',
|
|
i
|
|
);
|
|
}
|
|
this._styles._max = max_height;
|
|
}
|
|
};
|
|
|
|
GridStack.prototype._update_container_height = function() {
|
|
if (this.grid._update_counter) {
|
|
return;
|
|
}
|
|
this.container.height(
|
|
this.grid.get_grid_height() * (this.opts.cell_height + this.opts.vertical_margin) -
|
|
this.opts.vertical_margin);
|
|
};
|
|
|
|
GridStack.prototype._is_one_column_mode = function() {
|
|
return (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) <=
|
|
this.opts.min_width;
|
|
};
|
|
|
|
GridStack.prototype._prepare_element = function(el) {
|
|
var self = this;
|
|
el = $(el);
|
|
|
|
el.addClass(this.opts.item_class);
|
|
|
|
var node = self.grid.add_node({
|
|
x: el.attr('data-gs-x'),
|
|
y: el.attr('data-gs-y'),
|
|
width: el.attr('data-gs-width'),
|
|
height: el.attr('data-gs-height'),
|
|
max_width: el.attr('data-gs-max-width'),
|
|
min_width: el.attr('data-gs-min-width'),
|
|
max_height: el.attr('data-gs-max-height'),
|
|
min_height: el.attr('data-gs-min-height'),
|
|
auto_position: Utils.toBool(el.attr('data-gs-auto-position')),
|
|
no_resize: Utils.toBool(el.attr('data-gs-no-resize')),
|
|
no_move: Utils.toBool(el.attr('data-gs-no-move')),
|
|
locked: Utils.toBool(el.attr('data-gs-locked')),
|
|
el: el
|
|
});
|
|
el.data('_gridstack_node', node);
|
|
|
|
if (self.opts.static_grid) {
|
|
return;
|
|
}
|
|
|
|
var cell_width, cell_height;
|
|
|
|
var drag_or_resize = function(event, ui) {
|
|
var x = Math.round(ui.position.left / cell_width),
|
|
y = Math.floor((ui.position.top + cell_height / 2) / cell_height),
|
|
width, height;
|
|
if (event.type != "drag") {
|
|
width = Math.round(ui.size.width / cell_width);
|
|
height = Math.round(ui.size.height / cell_height);
|
|
}
|
|
|
|
if (!self.grid.can_move_node(node, x, y, width, height)) {
|
|
return;
|
|
}
|
|
self.grid.move_node(node, x, y, width, height);
|
|
self._update_container_height();
|
|
};
|
|
|
|
var on_start_moving = function(event, ui) {
|
|
self.container.append(self.placeholder);
|
|
var o = $(this);
|
|
self.grid.clean_nodes();
|
|
self.grid.begin_update(node);
|
|
cell_width = o.outerWidth() / o.attr('data-gs-width');
|
|
cell_height = self.opts.cell_height + self.opts.vertical_margin;
|
|
self.placeholder
|
|
.attr('data-gs-x', o.attr('data-gs-x'))
|
|
.attr('data-gs-y', o.attr('data-gs-y'))
|
|
.attr('data-gs-width', o.attr('data-gs-width'))
|
|
.attr('data-gs-height', o.attr('data-gs-height'))
|
|
.show();
|
|
node.el = self.placeholder;
|
|
|
|
el.resizable('option', 'minWidth', Math.round(cell_width * (node.min_width || 1)));
|
|
el.resizable('option', 'minHeight', self.opts.cell_height * (node.min_height || 1));
|
|
|
|
if (event.type == 'resizestart') {
|
|
o.find('.grid-stack-item').trigger('resizestart');
|
|
}
|
|
};
|
|
|
|
var on_end_moving = function(event, ui) {
|
|
self.placeholder.detach();
|
|
var o = $(this);
|
|
node.el = o;
|
|
self.placeholder.hide();
|
|
o
|
|
.attr('data-gs-x', node.x)
|
|
.attr('data-gs-y', node.y)
|
|
.attr('data-gs-width', node.width)
|
|
.attr('data-gs-height', node.height)
|
|
.removeAttr('style');
|
|
self._update_container_height();
|
|
self._trigger_change_event();
|
|
|
|
self.grid.end_update();
|
|
|
|
var nested_grids = o.find('.grid-stack');
|
|
if (nested_grids.length && event.type == 'resizestop') {
|
|
nested_grids.each(function(index, el) {
|
|
$(el).data('gridstack').on_resize_handler();
|
|
});
|
|
o.find('.grid-stack-item').trigger('resizestop');
|
|
}
|
|
};
|
|
|
|
el
|
|
.draggable(_.extend(this.opts.draggable, {
|
|
containment: this.opts.is_nested ? this.container.parent() : null
|
|
}))
|
|
.on('dragstart', on_start_moving)
|
|
.on('dragstop', on_end_moving)
|
|
.on('drag', drag_or_resize)
|
|
.resizable(_.extend(this.opts.resizable, {}))
|
|
.on('resizestart', on_start_moving)
|
|
.on('resizestop', on_end_moving)
|
|
.on('resize', drag_or_resize);
|
|
|
|
if (node.no_move || this._is_one_column_mode()) {
|
|
el.draggable('disable');
|
|
}
|
|
|
|
if (node.no_resize || this._is_one_column_mode()) {
|
|
el.resizable('disable');
|
|
}
|
|
|
|
el.attr('data-gs-locked', node.locked ? 'yes' : null);
|
|
};
|
|
|
|
GridStack.prototype.set_animation = function(enable) {
|
|
if (enable) {
|
|
this.container.addClass('grid-stack-animate');
|
|
}
|
|
else {
|
|
this.container.removeClass('grid-stack-animate');
|
|
}
|
|
};
|
|
|
|
GridStack.prototype.add_widget = function(el, x, y, width, height, auto_position) {
|
|
el = $(el);
|
|
if (typeof x != 'undefined') el.attr('data-gs-x', x);
|
|
if (typeof y != 'undefined') el.attr('data-gs-y', y);
|
|
if (typeof width != 'undefined') el.attr('data-gs-width', width);
|
|
if (typeof height != 'undefined') el.attr('data-gs-height', height);
|
|
if (typeof auto_position != 'undefined') el.attr('data-gs-auto-position', auto_position ? 'yes' : null);
|
|
this.container.append(el);
|
|
this._prepare_element(el);
|
|
this._update_container_height();
|
|
this._trigger_change_event(true);
|
|
|
|
return el;
|
|
};
|
|
|
|
GridStack.prototype.will_it_fit = function(x, y, width, height, auto_position) {
|
|
var node = {x: x, y: y, width: width, height: height, auto_position: auto_position};
|
|
return this.grid.can_be_placed_with_respect_to_height(node);
|
|
};
|
|
|
|
GridStack.prototype.remove_widget = function(el, detach_node) {
|
|
detach_node = typeof detach_node === 'undefined' ? true : detach_node;
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
this.grid.remove_node(node);
|
|
el.removeData('_gridstack_node');
|
|
this._update_container_height();
|
|
if (detach_node)
|
|
el.remove();
|
|
this._trigger_change_event(true);
|
|
};
|
|
|
|
GridStack.prototype.remove_all = function(detach_node) {
|
|
_.each(this.grid.nodes, _.bind(function(node) {
|
|
this.remove_widget(node.el, detach_node);
|
|
}, this));
|
|
this.grid.nodes = [];
|
|
this._update_container_height();
|
|
};
|
|
|
|
GridStack.prototype.destroy = function() {
|
|
$(window).off("resize", this.on_resize_handler);
|
|
this.disable();
|
|
this.container.remove();
|
|
Utils.remove_stylesheet(this._styles_id);
|
|
if (this.grid)
|
|
this.grid = null;
|
|
};
|
|
|
|
GridStack.prototype.resizable = function(el, val) {
|
|
var self = this;
|
|
el = $(el);
|
|
el.each(function(index, el) {
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
node.no_resize = !(val || false);
|
|
if (node.no_resize || self._is_one_column_mode()) {
|
|
el.resizable('disable');
|
|
}
|
|
else {
|
|
el.resizable('enable');
|
|
}
|
|
});
|
|
return this;
|
|
};
|
|
|
|
GridStack.prototype.movable = function(el, val) {
|
|
var self = this;
|
|
el = $(el);
|
|
el.each(function(index, el) {
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
node.no_move = !(val || false);
|
|
if (node.no_move || self._is_one_column_mode()) {
|
|
el.draggable('disable');
|
|
el.removeClass('ui-draggable-handle');
|
|
}
|
|
else {
|
|
el.draggable('enable');
|
|
el.addClass('ui-draggable-handle');
|
|
}
|
|
});
|
|
return this;
|
|
};
|
|
|
|
GridStack.prototype.disable = function() {
|
|
this.movable(this.container.children('.' + this.opts.item_class), false);
|
|
this.resizable(this.container.children('.' + this.opts.item_class), false);
|
|
this.container.trigger('disable');
|
|
};
|
|
|
|
GridStack.prototype.enable = function() {
|
|
this.movable(this.container.children('.' + this.opts.item_class), true);
|
|
this.resizable(this.container.children('.' + this.opts.item_class), true);
|
|
this.container.trigger('enable');
|
|
};
|
|
|
|
GridStack.prototype.locked = function(el, val) {
|
|
el = $(el);
|
|
el.each(function(index, el) {
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
node.locked = (val || false);
|
|
el.attr('data-gs-locked', node.locked ? 'yes' : null);
|
|
});
|
|
return this;
|
|
};
|
|
|
|
GridStack.prototype.min_height = function (el, val) {
|
|
el = $(el);
|
|
el.each(function (index, el) {
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
if(!isNaN(val)){
|
|
node.min_height = (val || false);
|
|
el.attr('data-gs-min-height', val);
|
|
}
|
|
});
|
|
return this;
|
|
};
|
|
|
|
GridStack.prototype.min_width = function (el, val) {
|
|
el = $(el);
|
|
el.each(function (index, el) {
|
|
el = $(el);
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
if(!isNaN(val)){
|
|
node.min_width = (val || false);
|
|
el.attr('data-gs-min-width', val);
|
|
}
|
|
});
|
|
return this;
|
|
};
|
|
|
|
GridStack.prototype._update_element = function(el, callback) {
|
|
el = $(el).first();
|
|
var node = el.data('_gridstack_node');
|
|
if (typeof node == 'undefined' || node == null) {
|
|
return;
|
|
}
|
|
|
|
var self = this;
|
|
|
|
self.grid.clean_nodes();
|
|
self.grid.begin_update(node);
|
|
|
|
callback.call(this, el, node);
|
|
|
|
self._update_container_height();
|
|
self._trigger_change_event();
|
|
|
|
self.grid.end_update();
|
|
};
|
|
|
|
GridStack.prototype.resize = function(el, width, height) {
|
|
this._update_element(el, function(el, node) {
|
|
width = (width != null && typeof width != 'undefined') ? width : node.width;
|
|
height = (height != null && typeof height != 'undefined') ? height : node.height;
|
|
|
|
this.grid.move_node(node, node.x, node.y, width, height);
|
|
});
|
|
};
|
|
|
|
GridStack.prototype.move = function(el, x, y) {
|
|
this._update_element(el, function(el, node) {
|
|
x = (x != null && typeof x != 'undefined') ? x : node.x;
|
|
y = (y != null && typeof y != 'undefined') ? y : node.y;
|
|
|
|
this.grid.move_node(node, x, y, node.width, node.height);
|
|
});
|
|
};
|
|
|
|
GridStack.prototype.update = function(el, x, y, width, height) {
|
|
this._update_element(el, function(el, node) {
|
|
x = (x != null && typeof x != 'undefined') ? x : node.x;
|
|
y = (y != null && typeof y != 'undefined') ? y : node.y;
|
|
width = (width != null && typeof width != 'undefined') ? width : node.width;
|
|
height = (height != null && typeof height != 'undefined') ? height : node.height;
|
|
|
|
this.grid.move_node(node, x, y, width, height);
|
|
});
|
|
};
|
|
|
|
GridStack.prototype.cell_height = function(val) {
|
|
if (typeof val == 'undefined') {
|
|
return this.opts.cell_height;
|
|
}
|
|
val = parseInt(val);
|
|
if (val == this.opts.cell_height)
|
|
return;
|
|
this.opts.cell_height = val || this.opts.cell_height;
|
|
this._update_styles();
|
|
};
|
|
|
|
GridStack.prototype.cell_width = function() {
|
|
var o = this.container.children('.' + this.opts.item_class).first();
|
|
return Math.ceil(o.outerWidth() / o.attr('data-gs-width'));
|
|
};
|
|
|
|
GridStack.prototype.get_cell_from_pixel = function(position) {
|
|
var containerPos = this.container.position();
|
|
var relativeLeft = position.left - containerPos.left;
|
|
var relativeTop = position.top - containerPos.top;
|
|
|
|
var column_width = Math.floor(this.container.width() / this.opts.width);
|
|
var row_height = this.opts.cell_height + this.opts.vertical_margin;
|
|
|
|
return {x: Math.floor(relativeLeft / column_width), y: Math.floor(relativeTop / row_height)};
|
|
};
|
|
|
|
GridStack.prototype.batch_update = function() {
|
|
this.grid.batch_update();
|
|
};
|
|
|
|
GridStack.prototype.commit = function() {
|
|
this.grid.commit();
|
|
this._update_container_height();
|
|
};
|
|
|
|
GridStack.prototype.is_area_empty = function(x, y, width, height) {
|
|
return this.grid.is_area_empty(x, y, width, height);
|
|
};
|
|
|
|
GridStack.prototype.set_static = function(static_value) {
|
|
this.opts.static_grid = (static_value === true);
|
|
this._set_static_class();
|
|
};
|
|
|
|
GridStack.prototype._set_static_class = function() {
|
|
var static_class_name = 'grid-stack-static';
|
|
|
|
if (this.opts.static_grid === true) {
|
|
this.container.addClass(static_class_name);
|
|
} else {
|
|
this.container.removeClass(static_class_name);
|
|
}
|
|
};
|
|
|
|
scope.GridStackUI = GridStack;
|
|
|
|
scope.GridStackUI.Utils = Utils;
|
|
|
|
function event_stop_propagate(event) {
|
|
event.stopPropagation();
|
|
}
|
|
$.fn.gridstack = function(opts) {
|
|
return this.each(function() {
|
|
var o = $(this);
|
|
if (!o.data('gridstack')) {
|
|
o
|
|
.data('gridstack', new GridStack(this, opts))
|
|
.on('dragstart', event_stop_propagate)
|
|
.on('dragstop', event_stop_propagate)
|
|
.on('drag', event_stop_propagate)
|
|
.on('resizestart', event_stop_propagate)
|
|
.on('resizestop', event_stop_propagate)
|
|
.on('resize', event_stop_propagate)
|
|
.on('change', event_stop_propagate);
|
|
}
|
|
});
|
|
};
|
|
|
|
return scope.GridStackUI;
|
|
});
|